Patents by Inventor Joon Myung Choi

Joon Myung Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rack for both bicycle and kick scooter
    Patent number: 12358582
    Abstract: Provided is a rack for a bicycle or a kick scooter that is a single device allowing either of a bicycle or a kick scooter to be parked. The rack includes a pair of support members formed to extend upward from the ground and disposed to be parallel with and spaced apart from each other, a rotating shaft coupled to the support members, a parking member interposed between the pair of support members and axially coupled to the rotating shaft so as to be rotatable, and a protruding member disposed to be spaced apart from a front of the parking member that faces the bicycle or the kick scooter and having both ends bent toward the parking member to be fixed to the parking member.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: July 15, 2025
    Assignee: Industry-University Cooperation Foundation Hanyang University Erica Campus
    Inventors: Joon-Myung Choi, Soung-Bin Gwak, Min-Jung Kwon
  • RACK FOR BOTH BICYCLE AND KICK SCOOTER
    Publication number: 20240124080
    Abstract: Provided is a rack for a bicycle or a kick scooter that is a single device allowing either of a bicycle or a kick scooter to be parked. The rack includes a pair of support members formed to extend upward from the ground and disposed to be parallel with and spaced apart from each other, a rotating shaft coupled to the support members, a parking member interposed between the pair of support members and axially coupled to the rotating shaft so as to be rotatable, and a protruding member disposed to be spaced apart from a front of the parking member that faces the bicycle or the kick scooter and having both ends bent toward the parking member to be fixed to the parking member.
    Type: Application
    Filed: November 17, 2020
    Publication date: April 18, 2024
    Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Joon-myung CHOI, Soung-bin GWAK, Min-jung KWON
  • Photo-responsive composite actuator
    Patent number: 10011882
    Abstract: A photo-responsive composite actuator according to the present invention includes a polymeric scaffold film; an azobenzene liquid crystal polymer applied on a surface of the polymeric scaffold film; and a protective film attached to a surface of the azobenzene liquid crystal polymer.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: July 3, 2018
    Assignee: Seoul National University R&DB Foundation
    Inventors: Maeng Hyo Cho, Joon Myung Choi
  • PHOTO-RESPONSIVE COMPOSITE ACTUATOR
    Publication number: 20170349956
    Abstract: A photo-responsive composite actuator according to the present invention includes a polymeric scaffold film; an azobenzene liquid crystal polymer applied on a surface of the polymeric scaffold film; and a protective film attached to a surface of the azobenzene liquid crystal polymer.
    Type: Application
    Filed: June 2, 2017
    Publication date: December 7, 2017
    Applicant: Seoul National University R&DB Foundation
    Inventors: Maeng Hyo Cho, Joon Myung Choi